Unit 3 Exam

A  True

B  False

A  False

B  True

A  False

B  True

A  True

B  False

A  False

B  True

A  occurs after ovulation but prior to degeneration of the follicle

B  involves shedding of the endometrium

C  is stimulated by HCG

D  is triggered by an LH surge

E  is triggered by an increase in the levels of estrogen and progesterone

A  stimulating FSH and LH production.

B  immunizing the woman against human chorionic gonadotropin (hCG).

C  destroying the endometrium.

D  inhibiting FSH and LH production.

E  making the woman’s reproductive tract toxic to sperm.

A  rhythmic contractions of the oviduct

B  the beating of cilia in the oviduct

C  rhythmic contractions of the uterus

D  the beating of the egg’s cilia

E  the beating of the egg’s flagella

A  in the vagina

B  in the uterus

C  in the lower part of the oviduct

D  in the upper part of the oviduct

E  in the ovary

A  B cells

B  macrophages

C  helper T cells

D  basophils

E  cytotoxic T cells

A  antibody

B  histamine

C  complement

D  antigen

E  interferon

A  not everybody got a flu shot last year

B  once you have had the flu, you need another vaccination

C  we need to replace the vaccine used up last year

D  the immune system “forgets” the vaccine

E  new flu strains are regularly evolving

A  passive

B  nonspecific

C  cell-mediated

D  humoral

E  active

A  The inflammatory and immune responses result in extra heat production.

B  The rapid multiplication of the invading microorganisms results in extra heat production.

C  The microorganisms trick the brain’s temperature control center into creating a hot environment that favors their growth.

D  None of the choices is correct.

E  The brain’s temperature control center responds to inflammation by creating a hot environment unfavorable to microorganisms.

A  A more muscular wall is required to supply the pumping that powers the flow of blood into the systemic circuit.

B  The position of the heart in the chest cavity allows for the left ventricle to develop a thicker wall than the right ventricle.

C  The left ventricle is responsible for systole, while the right ventricle is responsible for diastole.

D  A more muscular wall is required to supply the pumping that powers the flow of blood into the pulmonary circuit.

E  The left ventricle contains the pacemaker.

A  AV node

B  bundle of His

C  SA node

D  specialized muscle fibers

E  Purkinje fibers

A  an arteriole

B  an artery

C  either an artery or an arteriole

D  the aorta

E  a venule

A  blood clotting

B  fighting infections

C  carrying carbon dioxide

D  carrying oxygen

E  hemoglobin transport

A  products containing trans fats

B  fruits and vegetables

C  tobacco products

D  red meats

E  products that are high in cholesterol

A  arteries

B  venules

C  capillaries

D  arterioles

E  veins

A  left atrium

B  aorta

C  pulmonary arteries

D  left ventricle

E  pulmonary veins

A  ventricular defibrillation

B  heart murmur

C  blockage of a coronary artery

D  hypertension

E  anemia

A  response to external stimuli.

B  a combination of negative and positive feedback.

C  a positive feedback mechanism.

D  lack of control over homeostasis.

E  a negative feedback mechanism.

A  retention of water

B  constriction of blood vessels in the skin

C  slowing of the heart rate

D  contraction of muscles

E  increased blood flow to the skin

A  is the way the internal environment influences the external environment

B  is the maintenance of a constant internal state

C  is the maintenance of a relatively stable internal environment

D  is a pathological condition

E  only comes into play when you are ill

A  a negative feedback mechanism

B  a hormone produced in the kidney itself

C  a hormone ultimately controlled by the brain

D  a positive feedback mechanism

E  nerve impulses from the brain