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BSC2346 2019 January Module 11 Final Exam Latest

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Due on: 03/15/2019
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BSC2346 Human Anatomy and Physiology I

Module 11 Final Exam

Question 1

Which statement is true regarding the special senses?

Answers:            

Rod and cone cells are the only two types of gustatory cells

 Sensory hair cells of the olfactory bulb bind molecules within the nose that ultimately allow for the sense of smell

The cochlea within the inner ear allows for the sense of equilibrium

The pupil is responsible for refracting incoming light

Question 2

Which region of the brain stem is associated with nuclei centers that control various autonomic activities such as sneezing, coughing and respiration rate?

Answers:            

Diencephalon

 Medulla oblongata

Pons

Midbrain

Question 3

Which statement is true of aerobic and anaerobic cellular respiration?

Answers:            

Anaerobic respiration utilizes oxygen and glucose to make adenosine triphosphate (ATP)

 Aerobic respiration produces more adenosine triphosphate (ATP) molecules compared to anaerobic respiration

Anaerobic respiration produces no waste products

Cells can only perform aerobic respiration to make adenosine triphosphate (ATP)

Question 4

Blockage of the auditory (Eustachian) tube can result in conductive hearing loss.

Answers:            

 True

False

Question 5

Which statement is true regarding myelin sheaths?

Answers:            

Myelin sheaths are found only on neurons in the peripheral nervous systems

Myelin sheaths allow for action potentials to be transmitted faster within the dendrites of neurons

 The spaces between each myelin sheath are referred to as the “Node of Ranvier”

Collections of myelin sheaths within the nervous system give nerve tissue a dark appearance, which is referred as gray matter

Question 6

Which of the following is found in the epidermis layer of skin?

Answers:            

Subcutaneous fat

Elastic fibers

 Granulosum layer

Melanin

Question 7

All of the following are symptoms of diabetes mellitus, EXCEPT:

Answers:            

Polyphagia

Polyuria

Polydipsia

 Polydrosis

Question 8

Hyperthyroidism is commonly caused by insufficient amounts of the element iodine within the body.

Answers:            

True

 False

Question 9

Which of the following statements is true of the ciliary body of the eye?

Answers:            

It produces a vitreous humor that fills the posterior chamber of the eye

 It contains muscles that help assist in control the thickness and size of the lens

It is involved in controlling the amount of light that is allowed into the eye

The suspensory ligaments create the color of iris

Question 10

Which endocrine hormone is stored in the posterior pituitary and increases the amount of water reabsorbed in the kidneys increasing blood pressure and blood volume?

Answers:            

Aldosterone

Cortisol

 Antidiuretic hormone

Oxytocin

Question 11

Which statement is  regarding the dorsal horn of the spinal cord?

Answers:            

It is composed of white matter

 It receives afferent information from the peripheral nervous system

It contains tracts that send impulses to the brain

It provides a pathway for information from the brain to the efferent peripheral nervous system

Question 12

Which organelle is responsible for producing adenosine triphosphate (ATP)?

Answers:            

 Mitochondria

Nucleus

Lysosome

Ribosome

Question 13

A dermatome is associated with a specific cranial nerve that innervates the body’s skin.

Answers:            

True

 False

Question 14

Which statement is true regarding the CNS?

Answers:            

The spinal cord terminates at the sacrum

The white matter of the brain is only found in the cerebellum

 The left hemisphere of the cerebrum primarily controls the right side of the body

Damage to the primary somatosensory center of the brain will result in an inability to move skeletal muscles

Question 15

Which statement is true regarding the skeletal system?

Answers:            

Flat bones are composed completely of compact bone

External stresses placed on bone (such as exercise) will decrease the bone matrix density

 Red bone marrow is the site of hematopoiesis

Osteoclasts secrete collagen fibers to increase bone density

Question 16

The nerve plexuses of the body allow for individual nerves to have axons from multiple nerve root levels.

Answers:            

 True

False

Question 17

The autonomic nervous system will innervate both internal organs and skeletal muscles.

Answers:            

True

 False

Question 18

Which endocrine hormone, in higher quantities, can suppress the function of the immune system and decrease inflammation of the body?

Answers:            

Thyroid hormone

 Cortisol

Aldosterone

Epinephrine

Question 19

One of the main functions of the gyri and sulci is to allow for increased surface area of the cerebral cortex.

Answers:            

 True

False

Question 20

The cerebellum is primarily involved with conscious thought and emotions.

Answers:            

True

 False

Question 21

A ligament can reduce the friction of a tendon rubbing over a bone.

Answers:            

True

 False

Question 22

A ligament connects a muscle to a bone, while a tendon stabilizes a joint by connecting or joining one bone to another.

Answers:            

True

 False

Question 23

Which statement is true regarding skeletal muscle tissue?

Answers:            

Muscle cells have the exact same structure as cardiac muscle tissue

 The neuromuscular junction is where the neurotransmitters are released and bind to the muscle cell

The muscle cells need little to no adenosine triphosphate (ATP)

The thick and thin filament permanently bind together to allow for muscle contraction to occur

Question 24

Calcitonin will cause an increase activity in which of the following cells?

Answers:            

Osteoclasts

 Osteoblasts

Osteocytes

Osteogenic cells

Question 25

What statement is true regarding the peripheral nervous system (PNS)?

Answers:            

The efferent division of the PNS is transmits information from sensory receptors to the brain

The somatic division of the PNS refers to the innervation of the internal organs of the body

The ventral root of the spinal nerve transmits afferent information to the spinal cord

 The autonomic nervous system is a branch of the visceral efferent division of the PNS

Question 26

What statement is true regarding reflexes?

Answers:            

Neural integration (processing) of all reflexes occurs in the brain

The sensory neuron of a reflex arc transmit efferent impulses to the spinal cord

The Babinski’s test is testing a specific reflex of the lower motor neurons

 The deep tendon reflex is commonly initiated with a reflex hammer in a neurological examination

Question 27

Which bone cell is activated by calcitonin and is responsible for “building” bone tissue?

Answers:            

Osteocyte

 Osteoblast

Osteogenic

Osteoclast

Question 28

Damage to an upper motor neuron can cause a positive Babinski’s sign.

Answers:            

 True

False

Question 29

All of the following are symptoms of hypothyroidism, EXCEPT:

Answers:            

Constipation

Dry and itchy skin

 Increased heart rate

Fatigue

Question 30

The spiral organ contains hair cells that form action potentials when stimulated to allow for the sense of smell to occur.

Answers:            

True

 False

Question 31

Which statement is true of dendrites?

Answers:            

They support the immune system of the nervous system

Most neurons have only one dendrite

They transmit information to other neurons and/or cells

 They are the main input regions of the neurons

Question 32

Which type of neuroglia cell forms myelin sheaths on axons within the peripheral nervous system?

Answers:            

 Schwann cells

Ependymal cells

Oligodendrocytes

Astrocytes

Question 33

Which statement is true of epiphyseal plates?

Answers:            

Found in the bone marrow region of long bones

 If active, allows for continued longitudinal (lengthwise) growth of bone

Epiphyseal plates are not present in infants

Typically close around the age of 12 years of age

Question 34

A neurotransmitter bound to a postsynaptic neuron membrane can initiate an action potential.

Answers:            

 True

False

Question 35

An increase in the level of thyroid hormone causing a decrease in TRH and TSH is an example of negative feedback.

Answers:            

 True

False

Question 36

Energy is created in which cellular organelle?

Answers:            

Gogli apparatus

Smooth endoplasmic reticulum

 Mitochondria

Nucleus

Question 37

 

 

Which of the following muscles is considered a rotator cuff muscle?

Answers:            

 Teres minor

Teres major

Pectoralis minor

Rhomboids major

Question 38

Both the epidermis and dermis contain blood vessels.

Answers:            

True

 False

Question 39

Which of the following statements is true regarding the eye?

Answers:            

The cornea provides the eye with the ability to adjust the amount of light coming into the eye

 The region of the fovea centralis has a high concentration of cone cells

The blind spot of the eye has a high concentration of rod cells

The choroid of the eye is where the photoreceptor cells are found

Question 40

The melanocytes are the most common cell in the epidermis and produce melanin.

Answers:            

True

 False

Question 41

Which of the following is not an effect of the parasympathetic nervous system?

Answers:            

Constriction of the pupils

Increased blood flow to the digestive system

 Increased respiration rate

Decreased heart rate

Question 42

The epidermis is composed of which type of tissue?

Answers:            

Nervous tissue

Muscular tissue

Connective tissue

 Epithelial tissue

Question 43

Which of the following is a function of cerebrospinal fluid?

Answers:            

Provide chemical stability to the peripheral nervous system

 Provide buoyancy to the brain and spinal cord

Help transmit electrical impulses within the central nervous system

Assist in the protection of the peripheral nervous system

Question 44

Which of the following statements is true regarding the special senses?

Answers:            

Damage to CN II could cause a loss of the ability to taste

The blind spot of the eye contains a high concentration of rod cones

The tympanic membrane is the sense organ for the utricle and saccule

 The cristae ampullaris contains the sensory hair cells that when stimulated, detect rotational movement of the head

Question 45

 

 

Wolff’s law of bone states that bone density is directly related to the stress placed on the bone.

Answers:            

 True

False

Question 46

Which of the following choices best describes the joint between the fontal bone and parietal bones?

Answers:            

Cartilaginous

 Suture

Synovial

Synarthroses

Question 47

Which statement is true regarding articulations?

Answers:            

The cartilage found between two vertebrae is elastic cartilage

 The hip joint is classified as a synovial joint

The knee joint contains a labrum which helps stabilizes the joint

The knee joint has more than ten ligaments that stabilize it

Question 48

Which of the following is NOT necessary for muscle contraction to occur?

Answers:            

Nerve impulse (action potential)

 Sodium ions to bind to the thin filament

Acetylcholine to bind to the sarcolemma receptors

Production and presence of adenosine triphosphate (ATP)

Question 49

Which statement is true regarding a spinal (peripheral) nerve?

Answers:            

Each nerve contains a single axon

They can contain afferent axons only

They innervate all regions of the body, including the head

 There are 31 pairs of spinal nerves

Question 50

Peripheral neuropathy can cause damage to axons of peripheral nerves leading to dysfunction of the conduction of an action potential.

Answers:            

 True

False

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