Filters
Question type

Study Flashcards

Sleep apnea is temporarily ceasing to breathe and is more common in people who are overweight.Excess fat in the neck compresses the ____ cutting off air flow.


A) larynx
B) thorax
C) bronchi
D) lungs
E) alveoli

F) C) and D)
G) B) and C)

Correct Answer

verifed

verified

Which chamber of the heart becomes enlarged in a person with atherosclerosis?


A) left atrium
B) right ventricle
C) left ventricle
D) right atrium
E) SA node

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

The narrowing of blood vessels is


A) vasoconstriction.
B) cardioconstriction.
C) vasodilation.
D) cardiodilation.

E) A) and B)
F) B) and C)

Correct Answer

verifed

verified

Capillary beds are networks of capillaries that connect arterioles and venules.

A) True
B) False

Correct Answer

verifed

verified

If blood pressure is too high,the brain _________ heart rate and causes blood vessels to _________.


A) increases;dilate
B) increases;constrict
C) decreases;constrict
D) decreases;dilate
E) increases;rupture

F) A) and B)
G) A) and E)

Correct Answer

verifed

verified

In the pulmonary circulation,___________________ is expelled from the blood and _________________ is picked up.


A) nitrogen;oxygen
B) oxygen;carbon dioxide
C) oxygen;nitrogen
D) carbon dioxide;nitrogen
E) carbon dioxide;oxygen

F) A) and E)
G) A) and D)

Correct Answer

verifed

verified

In the section "Investigating Life: In (Extremely) Cold Blood",how does oxygen get into tissues of an ice fish?


A) by active transport
B) by facilitated diffusion
C) by diffusion
D) by osmosis
E) by binding to hemoglobin receptors

F) A) and B)
G) A) and D)

Correct Answer

verifed

verified

The chamber of the heart that is the most powerful is the


A) left atrium.
B) left ventricle.
C) right atrium.
D) right ventricle.
E) All answers are correct.

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

Hemoglobin is a(n) _______________-rich pigment that carries oxygen.


A) calcium
B) potassium
C) zinc
D) phosphorous
E) iron

F) A) and B)
G) C) and D)

Correct Answer

verifed

verified

Vertebrates with a two-chambered heart include


A) mollusks.
B) reptiles.
C) birds.
D) fishes.
E) mammals.

F) C) and D)
G) B) and C)

Correct Answer

verifed

verified

The pulmonary vein transports deoxygenated blood from the lungs to the heart.

A) True
B) False

Correct Answer

verifed

verified

The widening of blood vessels is


A) vasoconstriction.
B) cardioconstriction.
C) vasodilation.
D) cardiodilation.

E) A) and B)
F) None of the above

Correct Answer

verifed

verified

The simplest animals with a closed circulatory system are


A) birds.
B) amphibians.
C) annelids.
D) fishes.
E) reptiles.

F) B) and D)
G) A) and C)

Correct Answer

verifed

verified

The scientific name of the "windpipe" is the


A) larynx.
B) pharynx.
C) vocal cords.
D) esophagus.
E) trachea.

F) A) and E)
G) All of the above

Correct Answer

verifed

verified

Diastolic pressure reflects


A) the contraction of the atriA.
B) the contraction of the ventricles.
C) the relaxation of the ventricles.
D) the relaxation of the atria.
E) the heart ratE.

F) None of the above
G) B) and C)

Correct Answer

verifed

verified

When taking a person's blood pressure,after proper inflation of the cuff and after hearing appropriate pulse sound through the stethoscope,the reading on the pressure gauge at the disappearance of this sound indicates


A) that the heart is once again beating.
B) the force of contraction of the atria.
C) venous pressure.
D) diastolic pressure.
E) systolic pressurE.

F) D) and E)
G) B) and C)

Correct Answer

verifed

verified

A respiratory disease caused by long-term exposure to irritants such as cigarette smoke that causes the walls of the alveoli to tear,thereby reducing the surface area for gas exchange is:


A) anemiA.
B) asthma.
C) emphysema.
D) artherosclerosis.
E) aneurysm.

F) A) and B)
G) None of the above

Correct Answer

verifed

verified

Asthma attacks can be treated with bronchodilators.Which of the following would happen in a person using such an inhaler?


A) Smooth muscle cells would contract.
B) Smooth muscle cells would relax.
C) The diaphragm would relax.
D) The diaphragm would contract.
E) The alveoli would relax.

F) A) and D)
G) A) and E)

Correct Answer

verifed

verified

Blood pressure that is significantly lower than normal is referred to as hypertension.

A) True
B) False

Correct Answer

verifed

verified

A defibrillator contains two paddles that are placed on a person's chest and through which an electrical shock is administered.What is this procedure treating?


A) aneurysm
B) heart attack due to atherosclerosis
C) anemia
D) tachycardia
E) arrhythmia

F) A) and D)
G) A) and E)

Correct Answer

verifed

verified

Showing 101 - 120 of 139

Related Exams

Show Answer