Question

name:

1. you notice your instructor wincing; she performs a service. your instructors eyebrows are drawn and she has vertical wrinkles in it. what muscle is she most likely using?

a. corrugator muscle
b. orbicularis oculi muscle
c. zygomaticus muscle
d. epicranius muscle

1. the muscle that covers the back of the neck and upper and middle region of the back is the ______.

a. trapezius
b. coracobrachialis minor
c. latissimus dorsi
d. teres minor

1. the muscles that turn the hand inward so the palm faces downward are the ______.

a. supinators
b. pronators
c. abductors
d. flexors

1. the scientific study of the structure, function, and pathology of the nervous system is called ______.

a. neurology
b. myology
c. physiology
d. reflexology

1. the simplest form of nervous activity that includes a sensory and motor nerve is called a(n) ______.

a. reflex
b. instinct
c. activation
d. inflammation

1. the largest of the cranial nerves also called the fifth cranial nerve, is the ______.

a. sensory nerve
b. mandibular nerve
c. trigeminal nerve
d. ophthalmic nerve

1. which nerve supplies impulses to the skin on the outer side and back of the foot and leg?

a. sural nerve
b. common peroneal nerve
c. saphenous nerve
d. dorsal nerve

1. thin - walled blood vessels that are less elastic than arteries and located closer to the skin surface are ______.

a. buccinators
b. capillaries
c. veins
d. arteries

Explanation:

Question 24 (assuming the question is about which muscle causes critical wrinkles, likely in the face, common ones like Orbicularis oculi for eye area or others, but let's analyze the options:

The question is about identifying a muscle related to wrinkles. The Orbicularis oculi muscle (option c) is involved in eye movements and can cause wrinkles around the eyes (crow's feet). The other options: Compressor muscle (a) is too vague, Trapezius (b) is a back/neck muscle, Epicranius (d) is a scalp muscle. So Orbicularis oculi is more likely for facial wrinkles.

The muscle covering the back of the neck, upper, and middle back is the Trapezius. Let's check options: a. Corrugator (frown muscle, face), b. Coracobrachialis (arm), c. Latissimus dorsi (lower back/shoulder), d. Trapezius (matches the description of neck/upper-middle back).

Muscles that turn the hand inward (palm downward) are pronators (pronation). Options: a. Supinators (turn palm up), b. Signators (not a muscle term), c. Pronators (correct for palm down), d. Flexors (bend joints).

Answer:

c. Orbicularis oculi muscle

Question 25: