Human Sexuality

Exam I Sample Questions

Answer Key

 

Cell Biology and Division

 

Use the following list to answer Question 1.

 

1

Cytoplasm

5

Nucleolus

2

Golgi Apparatus

6

Plasma membrane

3

Lysosome

7

Rough endoplasmic reticulum

4

Mitochondria

8

Secretory vesicle

 

1.         Protein synthesis requires which of the cellular components listed above?

 

            a.         2, 4, 5 & 7

            b.         2, 5, 7 & 8

            c.         2 & 8  

            d.         2, 7 & 8

            e.         2, 6, 7 & 8

 

2.         In regards to the endomembrane system, which of the following is TRUE?

 

            a.         The nucleolus is part of the endomembrane system

            b.         Carbohydrate synthesis occurs in the smooth ER

            c.         The primary protein sequence is made synthesized in the Golgi apparatus   

            d.         Secretory vesicles are released from the rough ER

            e.         C & D

 

Use the following list to answer Question 3 - 4.

 

1

Following G0

5

Following the first meiotic division

2

Following G1

6

Following the second meiotic division

3

Following G2

7

Following mitosis

4

Following S-phase

 

 

3.         When do cells have twice as much DNA as the parent cell?

 

            a.         1, 3 & 4

            b.         3, 4 & 5

            c.         3 & 4              

            d.         4 & 5

            e.         4, 5 & 6

 

4.         When do cells have the same chromosomal makeup as the parent cell?

 

            a.         1, 2 & 3

            b.         1, 2 & 5

            c.         1, 2, 3 & 7

            d.         1, 2 & 7

            e.         1, 2, 5 & 7

 

Use the following list to answer Question 5.

 

1

Prophase of mitosis

5

Prophase 1 of meiosis

2

Metaphase of mitosis

6

Prophase 2 of meiosis

3

Anaphase of mitosis

7

Anaphase 1 of meiosis

4

Telophase of mitosis

8

Anaphase 2 of meiosis

 

5.         Of the phases of cell division listed above, during which are sister chromatids present?

 

            a.         1, 2, 5 & 6

            b.         1, 2, 3, 5 & 6

            c.         1, 2, 3 & 4      

            d.         1, 2, 6 & 7

            e.         1, 2 & 6

 

6.         In regards to meiosis, which of the following is TRUE?

 

            a.         Homologous chromosomes are present during the second meiotic division

            b.         Daughter cells produced during the first meiotic division have the same number amount of DNA as the parent cell has following S-phase

            c.         Chiasmata form between sister chromosomes during Prophase 1     

d.         Following Telophase 1, daughter cells have diploid amount of DNA but

 haploid chromosome number

            e.         C & D

 

Endocrine System

 

Use the following table to answer Questions 1 – 3.

 

1

Oxytocin

6

PTH

2

Prolaction

7

T3

3

ACTH

8

ADH

4

FSH

9

Calcitonin

5

Cortisol

10

Insulin

 

1.         Which of the hormones listed above are released in response to a humoral stimulus?

 

            a.         1, 2 & 5

            b.         6, 9 & 10

            c.         2, 5 & 6

            d.         5, 6 & 10

            e.         2, 6 & 9

 

2.         Which of the hormones listed above are released in classified as a tropic hormone?

 

            a.         1, 3 & 4

            b.         3, 4 & 5

            c.         3 & 4

            d.         3, 4 & 7

            e.         4, 6 & 8

 

3.         Which of the hormones listed above is (are) synthesized in the hypothalamus?

 

            a.         1 & 2

            b.         1 & 8

            c.         2, 3 & 4

            d.         1, 2 & 8

            e.         2, 5 & 8

 

4.         In regards to pituitary gland, which of the following is NOT TRUE?

           

a.         The infundibulum is the physical connection between the pituitary and the hypothalamus

b.         The hypothalamus is the functional connection between the brain and the endocrine system

            c.         The anterior pituitary is comprised of endocrine tissue

            d.         The posterior pituitary is directly connected to the hypothalamus

e.         The activity of anterior pituitary is regulated by neural connections with the hypothalamus

 

5.         Which of the following hormones are elevated in response to stress?

 

            a.         Gonadotropins

            b.         Epinephrine

            c.         Parathyroid hormone

            d.         Glucocorticoids

            e.         B & D

 

6.         Of the following endocrine glands, which releases ADH?

 

            a.         Adrenal cortex

            b.         Adrenal medulla

            c.         Thymus

            d.         Pineal gland

            e.         Posterior pituitary

 

Genetics

 

1.             Maternal and paternal chromosomes are divided into separate cells by which of the following processes?

 

                A.            Independent assortment

                B.            Segregation of chromosomes

C.            Crossing over

D.            Random fertilization

                E.            All of the above

 

2.             If a genetic trait with two alleles, one dominant and one recessive is controlled by incomplete dominance, how many phenotypes could result?

 

                A.            1

                B.            2

                C.            3

                D.            Either A or C

                E.            None of the above

 

3.             Of the following types of inheritance, which is determined by genes on the X chromosome?

 

                A.            Polygenetic inheritance

                B.            Sex-linked inheritance

                C.            Incomplete dominance

                D.            Dominant-recessive inheritance

                E.            All of the above can be affected

 

4.             Of the following, which term describes all of the genetic material contained in a cell?

 

                A.            Genotype

                B.            Phenotype

                C.            Karyotype

                D.            Locus

                E.            Genome