01 Oct Which of the following statements is true concerning feedback mechanisms?

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

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