Log in
Biology
4
answers
0
watching
77
views

Which of the following is true?

a.

All of the above
b.

Semen contains seminal vesicle-specific antigen
c.

Semen can be identified by the presence of spermatozoa
d.

Semen contains prostate specific antigen

Which of the following is a presumtive assay for the detection of semen?

a.

Flurometric assays
b.

Immunochromatographic assays
c.

ELISA
d.

RNA basd assays

Watch
4
answers
0
watching
77
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Share
Already have an account? Log in
Share
Already have an account? Log in
Share
Nelly Stracke
Nelly StrackeLv2
28 Sep 2019
Already have an account? Log in
Share

Related textbook solutions

Molecular Cell Biology
8 Edition,
Lodish
ISBN: 9781464183393
Biology: Science for Life with Physiology
6 Edition,
Belk
ISBN: 9780134555430
Biology
2nd Edition, 2013
Openstax
ISBN: 9781947172517
Concepts of Biology
OER Edition,
Openstax
ISBN: 9781938168116
Essentials of Biology
5 Edition,
Mader
ISBN: 9781259660269

Related questions

Identify the organ that corresponds with each of the following functions-1) Organ that allows the male to pass urine and semen leave the from his body; organ that enters the female's body during sexual intercourse.-2) Passage way through which urine and semen leave the penis.-3) Glands that produce sperm and the male sex hormone (testosterone)-4) Muscular sac where urine is stored.-5) Pouch of skin that holds the testes and controls temperature for sperm production.-6) The head or end of the penis: filled with highly sensitive nerve endings; particularly sensitive to stimulation.-7) Passageway for the sperm- 8) Coiled tube system in which sperm mature. A) Scrotum B) Urethra C) Bladder C) Vas deferens D) penis E) Testis F) Epididymis G) Seminal vesicle H) Prostate gland I) Cowper's gland J) Glans penis

1) What is the most efficient and cost-effective way to control infectious diseases? A) variolation C) passive immunotherapy using immunoglobulins B) active immunization by vaccination D) immune testing E) autoimmunization 2) Variolation was first used _______ A) to immunize the Chinese against smallpox. B) to protect individuals against the plague during the Middle Ages. C) to spread smallpox throughout the Native American populations. D) to treat individuals exposed to hepatitis. E) for research purposes in the 20th century. 3) Almost a century after Edward Jenner introduced successful vaccination, Louis Pasteur developed vaccine(s) against A) anthrax. B) human cholera. C) rabies. D) influenza. E) both anthrax and rabies. 4) Pathogens may be attenuated for use in vaccines by ______ A) raising the pathogen for several generations in tissue culture cells. B) genetic manipulation. C) treatment with formaldehyde. D) genetic manipulation coupled with treatment with formaldehyde. E) genetic manipulation and/or raising the pathogen for several generations in tissue culture cells. 5) Which of the following statements regarding an inactivated vaccine is FALSE? A) It can be produced with deactivated whole microorganisms. B) It can be produced from antigenic fragments of a pathogen. C) It is safer than an attenuated vaccine. D) It is made from mutated forms of the pathogen. E) It is made from pathogens that cannot replicate. 6) Which of the following substances is commonly used to inactivate microbes before using them for vaccination? A) formaldehyde B) aluminum C) mineral oil D) saponin E) aluminum phosphate 7) What type of vaccine is the hepatitis B vaccine? A) inactivated whole pathogen B) attenuated vaccine C) toxoid vaccine D) a recombinant vaccine composed of a single antigen of the hepatitis virus E) a vaccine produced by treating the virus with formaldehyde 8) An infectious disease researcher isolates the pathogen responsible for an emerging disease. The microbe is grown in the lab for many generations. A preparation of the laboratory-grown microbe is treated with ionizing radiation and then tested for its potential as a vaccine. What type of vaccine is this? A) attenuated B) subunit C) combination D) toxoid E) inactivated whole 9) OPV, the attenuated oral poliovirus vaccine, is no longer administered in the U.S.A. because it A) is very toxic. B) does not provide good immunity. C) can revert to wild-type virulence. D) can be spread to contacts. E) can be spread to contacts and can revert to wild-type virulence. 10) Hybridomas are factories for antibodies and are produced by _____ A) combining two virus-infected cells. B) fusing plasma cells with myeloma cells. C) repeated culture of a pathogen until it loses its virulence. D) combining a viral infected cell with a bacterial infected cell. E) combining two bacterial infected cells. 11) The study and diagnosis of antigen-antibody interactions in the blood is known as _____ A) immunology. B) hematology. C) serology. D) cytology. E) histology. 12) Which type of antibody assay is represented in this figure? A) an indirect ELISA C) an indirect immunofluorescence assay B) a direct ELISA D) a western blot E) an immunodiffusion assay 13) Titration is a serological procedure that A) identifies the causative microbe of an infectious disease. B) determines the amount of an antibody in the blood. C) must be done before the western blot test to diagnose HIV. D) is used for blood grouping. E) has been replaced by genetic engineering in isolating the antigen of a pathogen. 14) A woman uses a home pregnancy test kit that tests for hCG hormone in urine. She knows this is a type of antibody assay from the kit brochure. Antibodies reacting with the hormone produce two lines on the test strip. What specific type of antibody assay does this represent? A) a direct immunofluoresence test C) an immunochromatographic assay B) a complement fixation test D) an ELISA E) a neutralization assay 15) The complement fixation test uses red blood cells as the target for complement activation. Test serum containing antibodies is combined with a known amount of antigen in a tube, and then the RBCs and antibodies against the RBCs are added. A positive result for the complement fixation test would be A) a line of precipitate near the bottom of the tube. C) loss of color in the tube. B) a cloudy solution in the tube. D) a fluorescent precipitate. E) a solution that is clear due to precipitation of RBCs.

Which of the following is a characteristic of the adaptive immune system?

a .It is a specific response against microbial antigen

b. It includes inflammation.

c. It activates the alternative complement pathway.

d. It includes defenses on the body surfaces.

2. C-reactive protein is an opsonin because it:

a. creates a channel in bacterial membranes

b. increases C3b binding to a microbe.

c. forms the pathogen-associated molecular patterns.

d. enhances phagocytosis.

3. The rapid increase in antibody production after repeated exposures to the same antigen is due to:

a. antibody-dependent cellular cytotoxicity.

b. higher levels of IgE

c. presence of memory cells.

d. clonal proliferation of NK cells

4. Cytotoxic T cells can kill cancer cells by:

a. inducing apoptosis with granzyme.b. release of membrane attack complex.

c. activate the production of complement C3b

d. phagocytosis of opsonized cells.

5. Which event is not required for the activation of helper T cells?

a. The presence of interleukin-1

b. Binding of CD8 receptors

c. Binding of matching non-antigenic proteins of the antigen-presenting cel

d. Presentation of an antigen bound to class II MHC

Weekly leaderboard

Home
Homework Help 3,900,000
Biology 460,000
Start filling in the gaps now
Log in