BIO226 Pretest Quiz

 

Question 1 Which of the following statements is true concerning feedback mechanisms?

Question 1 options:

Positive feedback mechanisms always result in damage to the host.

Negative feedback mechanisms tend to increase the original stimulus.

Negative feedback mechanisms work to prevent sudden severe changes within the body.

Blood glucose levels are regulated by positive feedback mechanisms.

Question 2 The nurse is assessing a 1-yr old boy and discussing with his parents the changes they can expect to see in their child over the next year. In this discussion, the nurse uses knowledge of which subdivision of anatomy?

Question 2 options:

Gross

Developmental

Microanatomy

Pathologic

Question 3 The nurse is assessing comparing a client's rash on the right side of his body with the left side. Which reference plane does the nurse use to divide the body lengthwise into right and left regions?

Question 3 options:

Frontal

Sagittal

Transverse

Oblique

Question 4 Which of the following statements is correct?

Question 4 options:

The breastbone is posterior to the spine.

The heart is ventral to the breastbone.

The breastbone is ventral to the spine.

The heart is posterior to the spine.

Question 5 Anatomical term for the position towards the tail.

Question 5 options:

Cranial

Cephalic

Lateral

Caudal

Question 6 Pharyngotympatic tube:

Question 6 options:

Maintains air pressure in the middle ear cavity

Eustachian tube

Connects middle ear with the pharynx

Both A and B

All of the above

Question 7 If a heel prick (skin puncture) is performed to collect blood from an infant, which bone is most vulnerable to injury:

Question 7 options:

Distal phalynx.

Talus.

Calcaneus.

Cuboid.

Question 8 The articulation that most closely resembles a ball and socket type of joint in the body?

Question 8 options:

Elbow joint

Knee joint

Hip joint

Ankle joint

Question 9 Term for the thigh bone is

Question 9 options:

Femur

Humerus

Fibula

Ulna

Question 10 A needle would pierce the epidermal layers of the forearm in which order, i.e. from superficial to deep?

Question 10 options:

Basale, spinosum, granulosum, corneum, lucidum

Basale, spinosum, granulosum, lucidum, corneum

Granulosum, basale, spinosum, corneum

Corneum, granulosum, spinosum, basale

Question 11 Max works as a computer programmer. He went to the doctor’s office complaining of pain in his wrist. He had also noticed pain and numbness on his palm and in the fingers of the same hand too. After examination doctor told him that his pain and numbness is due to a nerve compression. Name the nerve which causes these problems.

Question 11 options:

Radial neve

Ulnar nerve

Median nerve

Musculocutaneous nerve

Question 12 The anatomical term for the outermost white fibrous layer of the eye is__

Question 12 options:

Retina

Choroid

Sclera

Conjunctiva

Question 13 At –70 mV consider the net effect of the chemical and electrical gradients in a neuron. Will more K+ flow into or out of the cell or will there be no net movement?

Question 13 options:

K+ will flow into the cell

K+ will flow out of the cell

There will be no net movement

None of the above

Question 14 The four basic types of tissue in the human body?

Question 14 options:

Muscle, tendons, glands and connective tissue

Neurons, cartilage, glands and adipose tissue

Neuroglia, skeletal muscle tissue, dense connective tissue and epithelial cells

Epithelial, connective, muscle and nervous tissue.

Question 15 Vitreous humor is:

Question 15 options:

Opening in lens that permits light into the inner chambers of the eye

Colored portion of vascular tunic

Biconcave structure that changes shape to bring objects into focus

Thick, jelly-like substance in the posterior compartment of the eye

Clear, plasma-like substance that bathes the lens and cornea

Question 16 The diffusion of sodium ions through the chemically gated ion channels will cause the membrane potential across the junctional folds will cause the voltage to?

Question 16 options:

become more negative on the inner surface.

become less negative on the inner surface.

not change because potassium ions are also diffusing inward.

Question 17 The term for the cell membrane of a muscle cell is __

Question 17 options:

Sarcoplasm

Tympanic membrane

Sarcolemma

Mucus membrane

Question 18 If a girl, after getting in an accident, cannot abduct her right arm. She weakly flexes and extends, and strongly adducts her arm. Which of the following muscle is most likely to be involved?

Question 18 options:

Coracobrachialis

Deltoid

Pectoralis major

Biceps brachii

Triceps brachii

Question 19 A client has just delivered a baby and asks the nurse about the white substance covering the baby's skin. The nurse responds that the substance is called:

Question 19 options:

Melanin

Sebum

Keratin

Vernix caseosa

Question 20 A male patient, aged 42 years was brought to the ER with a head injury. MRI revealed cerebral hemorrhage (bleeding in the brain) over his precentral gyrus of right cerebral cortex. After initial treatments, the doctor talked with the patient's wife and discussed the likely outcomes of his injury. Which of the following is most likely statement that the doctor made about the patient?

Question 20 options:

He may not feel any sensation over his left side the body

He many not feel any sensation over his right side of the body

He may not be able to move his left arm and leg

He may not be able to move his right arm and leg

Question 21 Myoglobin ________.

Question 21 options:

Breaks down glycogen

Stores oxygen in muscle cells

Produces the end plate potential

None of the above

Question 22 The junction between the two neurons is known as

Question 22 options:

Cell body

Synapse

Axon

Dendrite

Question 23 A person is identified to have a crossed eye, strabismus, of the right eye. His right is turned upward and outward. Which of the following extraocular muscle is most likely to be paralysed?

Question 23 options:

Superior oblique muscle

Inferior oblique muscle

Lateral rectus muscle

Superior rectus muscle

inferior rectus muscle

 

Question 24 A movement of the limb in 360 degrees as cone in the space is called __

Question 24 options:

Adduction

Abduction

Flexion

Circumduction

Question 25 A child is asked to show his tongue but he can not pull his tongue out or turn right, he can tell the candy is sweet and medicine is bitter in taste. Which of the following nerve is most likely to be damaged?

Question 25 options:

Facial nerve

Hypoglossal nerve

Glossopharyngeal nerve

Vagus nerve