Quiz 11
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
