Anatomy & Physiology
3rd Edition
ISBN: 9781259398629
Author: McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher: Mcgraw Hill Education,
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Chapter 28.4, Problem 33WDL
What are the similarities and differences between the corpora cavernosa and the corpus spongiosum of the penis?
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Question #5:
Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The
genes show independent assortment. Recessive alleles at both loci are required for the facultative
apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C.
At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype.
A facultative apomict male, capable of producing viable pollen, was crossed with a sexually
reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic
ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following
temperatures*:
a) 15°C?
b) 25°C?
*for full credit, show crosses and genotypes where appropriate. Remember to position the
female first (left side) in the cross.
Type your answer here:
a. What percentage of a drug is eliminated after 4 half-lives? Please round to the nearest percent.
b. What will happen to elimination of the drug in the previous question if the system is saturated? explain and show any math involved
If you wanted to reduce the difference between peak and trough levels that occur with repeated administration of a drug, how would you adjust the dose and dose interval without changing the plateau concentration (plateau is the average of peak and trough levels)? Select your answers for both dose and interval. Hint: It may be helpful to think about this problem using an example such as food. How would you eat if you wanted to maintain very steady hunger/satiety levels without changing your total caloric intake?
Options:
A. Dose; Increase dose
B. Dose; Decrease dose
C. Dose; Do not change dose
D. Interval; Increase the interval between doses (give the drug less frequently)
E. Interval; Decrease the interval between doses (give the drug more frequently)
F. Interval; Do not change the interval
Chapter 28 Solutions
Anatomy & Physiology
Ch. 28.1 - Prob. 1LOCh. 28.1 - What general components make up the reproductive...Ch. 28.1 - Prob. 2LOCh. 28.1 - What hormones begin to be secreted at puberty, and...Ch. 28.1 - Prob. 3LOCh. 28.1 - What are the components of the urogenital...Ch. 28.2 - Prob. 4LOCh. 28.2 - Prob. 5LOCh. 28.2 - How do sex chromosomes differ from autosomes?Ch. 28.2 - Prob. 5WDL
Ch. 28.2 - Prob. 6LOCh. 28.2 - LEARNING OBJECTIVE
7. Describe events during...Ch. 28.2 - Prob. 8LOCh. 28.2 - Prob. 6WDLCh. 28.2 - Prob. 7WDLCh. 28.2 - Prob. 9LOCh. 28.2 - Prob. 8WDLCh. 28.2 - Prob. 9WDLCh. 28.2 - Prob. 10LOCh. 28.2 - Prob. 10WDLCh. 28.3 - LEARNING OBJECTIVE
11. Describe the gross and...Ch. 28.3 - Prob. 12LOCh. 28.3 - What are the broad ligament, ovarian ligament, and...Ch. 28.3 - How are the primordial, primary, secondary, and...Ch. 28.3 - Prob. 13LOCh. 28.3 - Prob. 14LOCh. 28.3 - Prob. 15LOCh. 28.3 - Prob. 1WDTCh. 28.3 - What follicles are present at birth? What...Ch. 28.3 - Prob. 14WDLCh. 28.3 - What are the three phases of the ovarian cycle,...Ch. 28.3 - Prob. 16LOCh. 28.3 - LEARNING OBJECTIVE
17. List the functions of the...Ch. 28.3 - Prob. 18LOCh. 28.3 - What are the four segments of the uterine tubes,...Ch. 28.3 - Prob. 17WDLCh. 28.3 - Prob. 18WDLCh. 28.3 - Prob. 19LOCh. 28.3 - Prob. 20LOCh. 28.3 - Prob. 21LOCh. 28.3 - Prob. 2WDTCh. 28.3 - What are the three phases of the uterine cycle,...Ch. 28.3 - Compare and contrast the ovarian and uterine...Ch. 28.3 - Prob. 22LOCh. 28.3 - What are the individual components of the female...Ch. 28.3 - Prob. 23LOCh. 28.3 - Prob. 24LOCh. 28.3 - Prob. 22WDLCh. 28.3 - Prob. 23WDLCh. 28.3 - Prob. 25LOCh. 28.3 - Prob. 24WDLCh. 28.4 - LEARNING OBJECTIVE
26. Describe the gross anatomy...Ch. 28.4 - How does the scrotum help regulate the temperature...Ch. 28.4 - LEARNING OBJECTIVE
27. Describe the gross anatomy...Ch. 28.4 - LEARNING OBJECTIVE
28. Explain the process of...Ch. 28.4 - LEARNING OBJECTIVE
29. Compare and contrast...Ch. 28.4 - WHAT DO YOU THINK?
3 If a man’s testes were...Ch. 28.4 - What are the major cell types in the seminiferous...Ch. 28.4 - What hormones are produced by the interstitial...Ch. 28.4 - How does a spermatogonium divide to produce...Ch. 28.4 - Prob. 29WDLCh. 28.4 - Prob. 30LOCh. 28.4 - LEARNING OBJECTIVE
31. Trace the pathway that...Ch. 28.4 - Prob. 30WDLCh. 28.4 - Prob. 32LOCh. 28.4 - Prob. 33LOCh. 28.4 - Prob. 34LOCh. 28.4 - WHAT DO YOU THINK?
4 If a man has a vasectomy, is...Ch. 28.4 - What are the specific functions of the accessory...Ch. 28.4 - How is seminal fluid different from semen?Ch. 28.4 - LEARNING OBJECTIVE
35. Describe the structure and...Ch. 28.4 - What are the similarities and differences between...Ch. 28.4 - Prob. 36LOCh. 28.4 - Prob. 37LOCh. 28.4 - Prob. 34WDLCh. 28.4 - Prob. 35WDLCh. 28.5 - Prob. 38LOCh. 28.5 - Prob. 39LOCh. 28.5 - Prob. 36WDLCh. 28.5 - Prob. 40LOCh. 28.5 - Prob. 37WDLCh. 28.5 - Prob. 41LOCh. 28.5 - Prob. 42LOCh. 28.5 - Prob. 38WDLCh. 28.5 - Prob. 39WDLCh. 28.5 - Prob. 43LOCh. 28.5 - Prob. 40WDLCh. 28.5 - Prob. 44LOCh. 28.5 - LEARNING OBJECTIVE
45. List some of the common...Ch. 28.5 - What factors affect the age that menarche first...Ch. 28.5 - Prob. 46LOCh. 28.5 - Prob. 47LOCh. 28.5 - Prob. 42WDLCh. 28 - _____ 1. The female homologue to the glans of the...Ch. 28 - _____ 2. Ovulation occurs due to a dramatic peak...Ch. 28 - _____ 3. Which statement is accurate about the...Ch. 28 - _____ 4. Which structure contains a primary...Ch. 28 - _____ 5. In the male, what cells produce...Ch. 28 - Prob. 6DYBCh. 28 - _____ 7. Spermatogonia divide by mitosis to form a...Ch. 28 - _____ 8. Sperm are stored in the _____, where they...Ch. 28 - _____ 9. Which statement is accurate about the...Ch. 28 - _____ 10. The paramesonephric ducts in the embryo...Ch. 28 - What are some anatomic similarities between the...Ch. 28 - What hormones are associated with the female...Ch. 28 - Do You Know the Basics?
13. Describe how a primary...Ch. 28 - List the uterine wall layers, and describe the...Ch. 28 - Compare and contrast the ovarian cycle phases and...Ch. 28 - Describe the relationship among the hypothalamus,...Ch. 28 - What is the function of sustentacular cells in the...Ch. 28 - Describe the process of spermatogenesis, including...Ch. 28 - How do erection and ejaculation occur in the male?Ch. 28 - What structures are formed from the...Ch. 28 - Prob. 1CALCh. 28 - Prob. 2CALCh. 28 - The physician reviews Luisas and Victors blood...Ch. 28 - Prob. 4CALCh. 28 - Prob. 5CALCh. 28 - Prob. 1CSLCh. 28 - Caitlyn had unprotected sex with her fianc...Ch. 28 - Prob. 3CSL
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