Anatomy & Physiology Benchmark #1 Review

150 Questions | By Mrsdscience | Updated: Mar 21, 2022 | Attempts: 260

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Anatomy & Physiology Benchmark #1 Review - Quiz

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1.

A cross bridge is formed when myosin heads bind to
- A.
  
  Troponin
- B.
  
  Actin
- C.
  
  Tropomyosin
- D.
  
  Ca++
- E.
  
  Ca-
2.

A distinction between motor neurons and sensory neurons is that
- A.
  
  Motor neurons send messages to the sensory receptor cells, whereas sensory neurons send messages from the sensory receptor cells.
- B.
  
  Motor neurons send messages to muscles and glands in the peripheral nervous system, whereas sensory neurons send messages from the somatosensory cortex.
- C.
  
  Motor neurons carry information away from the central nervous system, whereas sensory neurons carry information to the central nervous system.
- D.
  
  Motor neurons connect to interneurons, whereas sensory neurons do not.
3.

A movement that decreases angle between articulating bones
- A.
  
  Flexion
- B.
  
  Extension
- C.
  
  Protraction
- D.
  
  Retraction
4.

All of the following are functions of the skin EXCEPT:
- A.
  
  Vitamin D synthesis
- B.
  
  Negative feedback control of blood pressure
- C.
  
  Thermoregulation
- D.
  
  Barrier against infection
- E.
  
  Sensation
5.

Burns that affect all layers of the skin and may not be painful due to the damage to nerve endings are classified as
- A.
  
  First degree, partial thickness
- B.
  
  Second degree, partial thickness
- C.
  
  Third degree, full thickness
- D.
  
  First degree, full thickness
6.

Cooling the surface of the skin and producing perspiration is the primary function of
- A.
  
  Ceruminous gland activity
- B.
  
  Sebaceous gland activity
- C.
  
  Adrenal gland activity
- D.
  
  Sudoiferous gland activity
7.

Excessive exposure to UV light may damage
- A.
  
  Cellular DNA, resulting in mutations
- B.
  
  Connective tissue and cause wrinkling
- C.
  
  Chromosomes and cause cancer
- D.
  
  All of the above
8.

Formed by Schwann cells in the PNS?
- A.
  
  Nodes of Ranvier
- B.
  
  Unmyelinated Axons
- C.
  
  Dendrites
- D.
  
  Myelin Sheath
9.

Homeostasis can be defined as the existence and maintenance of a relatively constant enviroment within the body.
- A.
  
  True
- B.
  
  False
10.

How many pairs of cranial nerves are there?
- A.
  
  5 pairs
- B.
  
  12 pairs
- C.
  
  1 pair
11.

Imagine a line drawn between the eyes to make a right and left side, what type of plane would that be considered?
- A.
  
  Frontal
- B.
  
  Sagittal
- C.
  
  Lateral
- D.
  
  Anterior
12.

In a car accident, a person sustained major trauma to his brain and the spinal cord region of his neck. Damage, in this case, was mainly to areas of the
- A.
  
  Autonomic nervous system.
- B.
  
  Somatic nervous system
- C.
  
  Central nervous system
13.

In a patient with Spinal Muscular Atrophy, the most frequent cause of death is ________________________.
- A.
  
  Organ failure
- B.
  
  Respiratory infection
- C.
  
  Heart attack
- D.
  
  Dehydration
14.

In the anatomical position the subject
- A.
  
  Is lying down.
- B.
  
  Has arms placed above the head.
- C.
  
  Is standing upright facing the observer with the palms backwards.
- D.
  
  Is standing upright facing the observer with the palms forward.
15.

In the diagram, where are the ridges that serve as fingerprints?
- A.
  
  A
- B.
  
  F
- C.
  
  G
- D.
  
  H
16.

In the diagram, where is the arrector pili muscle?
- A.
  
  C
- B.
  
  D
- C.
  
  E
- D.
  
  F
- E.
  
  G
17.

In the diagram, where is the sebaceous gland?
- A.
  
  C
- B.
  
  D
- C.
  
  E
- D.
  
  F
- E.
  
  H
18.

Information in neurons usually flows in what order?
- A.
  
  Soma, dendrites, axon
- B.
  
  Dendrites, soma, axon
- C.
  
  Dendrites, myelin, axon terminals
- D.
  
  Axon, soma, axon terminals
19.

Jimmy went ice skating and fell and hit his head. After he got up he had problems with his vision. What structure of the brain was most likely affected?
- A.
  
  Occipital Lobe
- B.
  
  Parietal Lobe
- C.
  
  Prefrontal Cortex
- D.
  
  Frontal Lobe
20.

John has some paralysis and loss of sensation in his right side after a motorcycle accident. It is likely that there is brain damage in the
- A.
  
  Left hemisphere
- B.
  
  Cerebellum
- C.
  
  Right hemisphere
21.

Label B
- A.
  
  Biceps Brachii
- B.
  
  Latissimus Dorsi
- C.
  
  Buccinator
- D.
  
  Pectoralis Major
22.

Label G is on
- A.
  
  Gastrocnemius
- B.
  
  Deltoid
- C.
  
  Sartorius
- D.
  
  Latissimus Dorsi
23.

Label I is on
- A.
  
  Gastrocnemius
- B.
  
  Tibialis
- C.
  
  Sartorius
- D.
  
  Latissimus Dorsi
24.

Label J is on
- A.
  
  Gastrocnemius
- B.
  
  Biceps Femoris
- C.
  
  Sartorius
- D.
  
  Tibialis
25.

Label M is on
- A.
  
  Gastrocnemius
- B.
  
  Deltoid
- C.
  
  Sartorius
- D.
  
  Latissimus Dorsi

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