AnswersKim - Essentials of Healthcare B - ACTIVECumulative Exam

Cumulative Exam — Cumulative exam Answers

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Why will the pH balance of a body with a damaged lower respiratory system change?

A
The lungs may not remove as much carbon dioxide as before the damage.
B
The epithelial cells may not remove as many foreign particles as before the damage.
C
The lungs may not take in as much oxygen as before the damage.
D
The epithelial cells may not keep the inside of the lungs as lubricated as before the damage.
2
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Which best describes the relationship between the circulatory system and the respiratory system?

A
The circulatory system is the transport system for the respiratory system.
B
The respiratory system is the transport system for the circulatory system.
C
The circulatory system diffuses red blood cells into the respiratory system to pick up oxygen.
D
The respiratory system transfers hemoglobin to the red blood cells of the circulatory system.
3

The structure located in the nasal cavity that receives aromatic substances is the

A
retina.
B
tympanic membrane.
C
taste bud.
D
olfactory bulb.
4

most commonly

w
weight gain
B
Braxton-Hicks contractions
b
breast enlargement
b
back pain
5

Mya is running a marathon. Her heartbeat increases. How does the increase in heartbeats assist Mya’s respiratory system?

A
The increase of blood through her body allows for more oxygen to be delivered to her tissues.
B
The increase of blood through her body allows for less oxygen to be delivered to her tissues.
C
The increase of blood through her body allows for more carbon dioxide to be delivered to her tissues.
D
The increase of blood through her body allows for less carbon dioxide to be delivered to her tissues.
6

The structures in humans that provide the ability to detect pain and therefore keep the body safe are called

A
chemosensors.
B
nociceptors.
C
photoreceptors.
D
thermoreceptors.
7

After it enters the lungs, air

A
moves through the bronchioles and then flows into the alveoli.
B
flows into the alveoli and then moves through the bronchioles.
C
moves through the capillaries and then flows into the alveoli.
D
flows into the alveoli and then moves through the capillaries.
8

Zipora tries to eat soup that is too hot. She takes one spoonful and then puts the soup down. What neurological process is occurring?

A
The frontal lobe of the brain conveys a message to the occipital lobe that the soup is too hot; the occipital lobe then makes a decision to put down the soup, so it sends that message to the temporal lobe.
B
The efferent nerves send a message to the brain that the soup is too hot, then the brain sends a message through the afferent nerves for Zipora to put down the spoon.
C
The temporal lobe of the brain conveys a message to the occipital lobe that the soup is too hot; the occipital lobe then makes a decision to put down the soup, so it sends that message to the frontal lobe.
D
The afferent nerves send a message to the brain that the soup is too hot, then the brain sends a message through the efferent nerves for Zipora to put down the spoon.
9

Alan chooses not to wear sunscreen because the oils build up on his skin. What is Alan trying to prevent, and what is he failing to prevent?

A
Alan is trying to prevent skin cancer but failing to prevent acne.
B
Alan is trying to prevent acne but failing to prevent skin cancer.
C
Alan is trying to prevent psoriasis but failing to prevent eczema.
D
Alan is trying to prevent eczema but failing to prevent psoriasis.
10

The diagram compares the characteristics of male and female gametes. GametesWhich item can be placed in the section labeled “Z”?

Question illustration
A
have 23 chromosomes
B
are not motile
C
determine offspring’s sex
D
are produced throughout life
11

Which sends information from other parts of the body all the way to the brain?

A
neuroreceptors
B
sensory neurons
C
sensory receptors
D
neural pathways
12

A man has a fever and painful sores on his genitals. He has a decreased appetite and a swollen penis. A woman also has a fever and painful sores on her genitals. She has swollen lymph nodes and a headache as well. Which reproductive disease do they most likely have?

A
They both have herpes.
B
They both have endometriosis.
C
He has benign prostatic hypertrophy and she has pelvic inflammatory disease.
D
He has an undescended testicle and she has polycystic ovary syndrome.
13

The diagram below illustrates the gas exchange that occurs in the alveoli. Image by Helix84Where is the oxygen-rich blood flowing to?

Question illustration
A
the lungs
B
the upper body
C
the lower body
D
the heart
14

Below is a picture of a structure of the heart. What is the best description of the function of this structure?

Question illustration
A
It pumps blood from the right ventricle into the right atrium.
B
It pumps blood from the left ventricle into the left atrium.
C
It prevents the backflow of blood from the right ventricle into the right atrium.
D
It prevents the backflow of blood from the left ventricle into the left atrium.
15

Dr. Jamani suspects that her patient is suffering from deep vein thrombosis. What can this condition lead to?

A
hypertension
B
coronary disease
C
cardiac dysrhythmias
D
pulmonary embolism
16

Which name best describes the process of gas exchange?

A
Oxygen diffuses into the blood at the site of the heart, and carbon dioxide diffuses into the blood at the site of the alveoli.
B
Carbon dioxide diffuses into the blood at the site of the heart, and oxygen diffuses into the blood at the site of the tissues.
C
Oxygen diffuses into the blood at the site of the alveoli, and carbon dioxide diffuses into the blood at the site of the tissue.
D
Carbon dioxide diffuses into the blood at the site of the alveoli, ad oxygen diffuses into the blood at the site of the tissue.
17

Which disease or disorder of the nervous system results in brain cells dying due to reduced blood flow to the brain?

A
stroke
B
epilepsy
C
Parkinson’s
D
multiple sclerosis
18

What could help prevent respiratory problems?

A
breathing in asbestos
B
dehumidifying air in buildings
C
bringing pollen into the house
D
eating candy and potato chips
19

The appendix in humans is a vestigial organ. In other mammals, it is not vestigial and is larger because it helps to digest a certain type of plant material. Which statement most likely describes the appendix’s lack of function in humans?

A
The diet of humans no longer includes as much plant material.
B
The diet of humans is the same as other mammals.
C
The human digestive system is less effective compared to other mammals.
D
The human digestive system relies heavily on the appendix.
20

The “pacemaker” of the heart starts an electrical impulse in the right atrium to cause the atria to contract. What is the “pacemaker” of the heart?

A
the SA node
B
the AV node
C
the bundle of His
D
the Purkinje fibers

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