Quiz 11

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Vaccination

A preparation that "teaches" the immune system to recognize a disease-causing agent without actually causing disease is termed a/n

detritivores

Animals that consume decaying organic matter as their main source of food are

lymphocytes

B cells and T cells are:

Liver

Which of the following produces bile?

villi

Tiny finger-like projections along the lining of the small intestine that are used to absorb nutrients are

HIV infects helper T cells

Why would HIV infection lead to immunodeficiency

antigen

A molecule that stimulates an immune system reaction by B cells and T cells is termed a/n

engulfs other cells and debris

A phagocyte is a cell that

An alimentary canal

A spider has both a mouth and anus, so it must have which of the following?

False

Acid reflux or "heartburn" is caused when the gastric juice moves back into the esophagus through the pyloric sphincter. (T/F)

Stomach contents leak into the esophagus

Acid reflux would occur under which of the following conditions?

Carnivore

An Australian redback spider that eats her mate is which of the following?

pepsin

An enzyme that breaks down protein is

allergy

An exaggerated attack on a harmless antigen by an overly-sensitive immune system is termed a/n

Fluid

Animals that drink their food are termed _____ feeders

Herbivores

Animals that eat only plants are

Carnivores

Animals that hunt and eat essentially only other animals are

Substrate

Animals that live in their food and eat it from the inside are termed _____ feeders.

suspension

Animals that strain their food from particles in water are termed _____ feeders

Stomach

Antacids would be effective in which part of the digestive system?

Helper T cells

HIV-positive people track the progress of their disease with blood tests that measure the number of

helper t-cells

HIV-positive people track the progress of their disease with blood tests that measure the number of

White blood cells can move into infected tissue

Histamine triggers vasodilation and leakiness in blood vessels during inflammation. Why would this be beneficial in fighting an infection by a pathogen?

White blood cells can move into infected tissue.

Histamine triggers vasodilation and leakiness in blood vessels during inflammation. Why would this be beneficial in fighting an infection by a pathogen?

Bulimia

If a person eats large quantities of food and then intentionally vomits, constantly going through what are called binge and purge patterns, he/she most likely suffers from the eating disorder known as:

Bile acids cannot be released following a meal

If an individual has his/her gall bladder removed, he/she is typically put on a low fat diet. Which of the following would explain this recommendation?

an unpunctured skin, the acidity of the stomach, tear fluid from the eye, and mucus and cilia of the respiratory tract

Physical and chemical barriers that form the first line of innate defense include

all of the answer choices are correct (mucus and cilia of the respiratory tract, an unpunctured skin, tear fluid from the eye, the acidity of the stomach).

Physical and chemical barriers that form the first line of innate defense includes

peristalsis

Rhythmic smooth muscle contractions occurring along the human digestive system that propel food along the system are termed

Sphincters

Rings of muscle in the digestive tract that can open and close, regulating the movement of food into or out of parts of the digestive system, are

Carbohydrates

Smelling food causes a hungry person to salivate. Which of the following begins to be digested in saliva?

1 Kilocalorie

The energy needed to raise 1 kilogram of water from 14.5oC 15.5oC under controlled conditions is:

amylase

The enzyme that breaks down starch is

Lactase

The enzyme that breaks down the main sugar found in milk is

emulsify fats

The function of bile is to

False

The human small intestine is shorter than the large intestine. (T/F)

True

The lining of both the stomach and small intestines is protected from digestive enzymes by a mucus secretion (T/F)

Small intestine

The main site of food absorption in the human digestive system is the

Large intestine

The main site of water and mineral absorption in the human digestive system is the

Esophagus

The muscular tube leading from the pharynx to the stomach is the

To create immunological memory without causing a disease

The primary function of a vaccine is to

False

The pyloric sphincter lies between the small intestine and large intestine, thereby controlling the movement of food into the large intestine (T/F)

Chyme

The semifluid mass of food and gastric juice in the human stomach is termed

Epiglottis

The structure that covers the opening to the trachea during swallowing, thereby preventing food from entering the air passage way is the


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