1.A secondary round of secretion of substances from blood occurs along the A. pr
ID: 258318 • Letter: 1
Question
1.A secondary round of secretion of substances from blood occurs along the
A. proximal convoluted tubule
B. distal convoluted tubule
C. collecting duct
2.Urea is derived from
A. lipid metabolism
B. the nitrogen in proteins
C. degenerating red blood cells
D. degenerating white blood cells
3.The placenta is
A. a cloaking device that hides the fetus from maternal antibodies
B. the interface between fetal and maternal circulation
C. formed by the embryo
D. all of these
4.Bile is
A. a digestive enzyme
B. an emulsifier
C. a complex of iron and protein
D. a solution of HCl
5.Gametes are generated by
A. mitosis
B. meiosis
C. fusion
D. budding
6.Antidiuretic hormone
A. helps water secretion
B. helps water recovery
C. expands the ureter
D. contracts the ureter
7.Food moves through the stomach by
A. gravity
B. air pressure
C. peristalis
D. blood pressure
E. churning
8.The acrosome is
A. the inner cell mass of the blastocyst
B. the cap of sperm
C. the jelly-like protective layer of the oocyte
9.The Fallopian tube connects
A. the placenta to the maternal circulation
B. the endoderm to the ectoderm
C. the ovaries to the uterus
10.Methods of internal fertilization include
A. oviparity.
B. ovoviparity.
C. viviparity.
D. all of the choices are correct.
11.________________________ is the hormone responsible for development of male sex organs and development at puberty.
A. Progesterone
B. Testosterone
C. Human Growth Hormone
D. Glucagon
12.Water enters and leaves vessels in the kidney by
A. evaporation
B. hydrolysis
C. respiration
D. aquaporins
13.Any microbe that is able to overcome the immune system and cause infection is called a
A. Pathogen
B. Bacterium
C. Virus
14.Birth is triggered by
A. interaction of maternal and fetal hormones
B. interaction of fetal hormones
C. interaction of maternal hormones
15.The embryonic nervous system develops by
A. elongation of cells
B. fusion of cells
C. extrusion of a layer of cells
D. folding in of a layer of cells
16.The initial fluid entering the kidney
A. disperses into the interstitium of the kidney
B. enters the small intestine for readsorption
C. is collected by the capsule
17.Sleep is regulated by
A. melatonin
B. progesterone
C. androgen
D. cytokinin
18.Types of infectious microorganisms include
A. Bacteria
B. Parasites
C. Fungi
D. All of the above
19.Birth is triggered by
A. interaction of maternal and fetal hormones
B. fetal hormones only
C. maternal hormones only
20.The correct order of events is
A. fertilization, ovulation, implantation, gastrulation
B. ovulation, fertilization, implantation, gastrulation
C. ovulation, implantation, fertilization, gastrulation
D. gastrulation, ovulation, implantation, fertilization
21.The liver is
A. part of the digestive tract
B. where white blood cells of the digestive tract are stored
C. where bile is stored
D. an accessory organ of the digestive system
22.Digestion of food is carried out by
A. chemical processes
B. mechanical processes
C. both chemical and mechanical processes
23.Causes of lifestyle diseases include
A. Chemical exposure
B. Poor diet
C. Lack of physical exercise
D. Tobacco and alcohol use
E. All of the above
24.Villi
A. secrete white blood cells
B. help to absorb nutrients
C. store bile
25.__________________ can be diagnosed by the presence of glucose in the blood.
A. Diabetes
B. Cancer
C. Cardiovascular disease
D. All of the above
26.The limbic system controls
A. emotion and mood
B. complex analyses
C. reflexes
D. heartbeat and breathing
27.Labor is triggered by the hormone
A. Prolactin
B. Oxytocin
C. HGC
28.Lifestyle diseases can include
A. Cardiovascular disease
B. Diabetes
C. Cancer
D. All of the above
29.Substances initiall secreted are readsorbed in the
A. proximal convoluted tubule
B. distal convoluted tubule
C. collecting duct
30.Auxins
A. regulate pollination
B. regulate photosynthesis
C. regulate growth
D. regulate nutrient flow
31.Food moves along the small intestine by
A. gravity
B. air pressure
C. peristalis
D. blood pressure
E. churning
32.The gall bladder is
A. part of the digestive tract
B. where white blood cells of the digestive tract are stored
C. where bile is stored
D. where iron is stored
33.An embryo is referred to as a fetus
A. after implantation
B. after fertilization
C. after all cells have differentiated
D. after the acrosome reaction
34.______________________ is the process that generates the physical shape of the embryo.
A. Spermatogenesis
B. Oogenesis
C. Morphogenesis
35.Blood is filtered in kidneys by
A. exiting capillaries
B. exiting the lympnhatic system
C. draining from interstitial fluid
D. from the small intestine
36._____________________________ are able to bind to receptor proteins within the cell’s nucleus because they are lipid soluble and therefore can move through the plasma membrane.
A. Protein-like hormones
B. Prostaglandins
C. Steroids
37.The digestive tract is
A. a continuous muscular tube
B. a series of storage organs
C. the esophagus and stomach
D. the small and large intestines
38.The large intestine
A. absorbs nutrients
B. secretes H2O
C. absorbs H2O
D. secretes HCl
39.Trophoblast cells
A. form the embryonic nervous system
B. form the embryonic immune system
C. form the placenta
D. form the uterine endothelium
40.Menstruation is
A. digestion of food
B. folding in of the ectoderm
C. expulsion of placental contents
D. shedding of the uterine endothelium
41.The repeated cycle of illness caused as microorganisms move from person to person is known as the _________________________.
A. Cell cycle
B. Metabolic pool
C. Chain of infection
D. Virulence Factor
42.Colonization of the body by normal flora depends on
A. Body location
B. Age
C. Environmental Influences
D. All of the above
43.Food moves along the esophagus by
A. gravity
B. air pressure
C. peristalis
D. blood pressure
E. churning
44.The stomach
A. absorbs nutrients
B. secretes H2O
C. absorbs H2O
D. secretes HCl
45.Antidiuretic hormone
A. helps H2O secretion
B. helps H2O recovery
C. expands the ureter
D. contracts the ureter
46.A nephron is
A. a kidney stone
B. the hormone that promotes water retention
C. an aquaporin
D. The functional unit of the kidney
47.Insulin is produced by the
A. pancreas
B. microvilli
C. gall bladder
D. liver
48.______________________ are caused by pathogens overcoming the immune system.
A. Lifestyle diseases
B. Infectious diseases
C. Genetic disorders
D. All of the above
49.Following digestion of proteins, amino acids are stored
A. in the gall bladder
B. in fat cells after conversion to fatty acids
C. within cell membranes
D. in the appendix
50.__________________________ are signal molecules that act on specific target organs.
A. Prostaglandins
B. Surface-receptor molecules
C. Hormones
Explanation / Answer
1. c) collecting duct
2. b) the nitrogen in proteins
3. d) All of these
4.. b) an Emulsifier
5.. b) By meiosis
6.. b) helps water recovery
7. c) peristalis
8. b) the cap of sperm containing digestive enzyme
9. c) the overies to the uterus
10. d) all of these are correcet
11.b) testosterone
12.d) aquaporins
13.a) pathogen
14. a) interaction of ,maternal and fetal hormones
15. d) folding in of a layer of cells
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