Anatomy Final Exam 2 Flashcards


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1

In it's excretory role, the urinary system is primarily concerned with the removal of __________ wastes from the body.

Nitrogenous

2

The __________ perform(s) the excretory and homeostatic functions of the urinary system.

Kidneys

3

The __________ of the kidney is segregated into triangular region with a striped appearance.

Medulla

4

As the renal artery approaches a kidney, it is divided into branches known as the __________

Afferent Arterioles

5

What do we call the anatomical units responsible for the formation of urine?

Nephrons

6

This know of coiled capillaries found in the kidneys, forms the filtrate. It is the __________

Glomerulus

7

The section of the renal tubule closest to the glomerular capsule is the __________

Proximal Convoluted Tubule

8

The __________ arteriole drains the glomerular capillary bed.

Efferent

9

During tubular reabsorption components of filtrate move from the bloodstream into the tubule.

False

10

The __________ urethral sphincter consists of skeletal muscle and is voluntarily controlled

External

11

The essential organs of reproduction are the __________ which produce the germ cells.

Gonads (Ovary and Testes)

12

The paired oval testes lie in the __________ outside the abdominalpelvic cavity, where they are kept slightly cooler than body temperature

Scrotum

13

After sperm are produced, they enter the first part of the duct system, the __________.

Ductus Deferens

14

The prostate, seminal vesicles, and bulbourethral glands produce __________, the liquid medium in which sperm leaves the body.

Seminal Fluid

15

The __________ produce testosterone, the hormonal product of the testis.

Interstitial Cells

16

The endocrine products of the ovaries are estrogen and __________.

Progesterone

17

The __________ is homologous to the penis.

Clitoris

18

The __________ is a pear-shaped organ that houses the embryo or fetus during it's development.

Uterus

19

The ___________ the thick mucosal lining of the uterus has a superficial layer that sloughs off periodically.

Endometrium

20

A developing egg is ejected from the ovary at the appropriate stage of maturity in an event known as __________.

Ovulation

21

The end product of meiosis is __________.

Four Haploid Daughter Cells

22

A grouping of four chromatic, known as a __________, occurs only during ___________.

Tetrad, Follicle

23

As the primordial follicle grows and it's epithelium changes from the squamous to cuboidal cells, it becomes a __________ and begins to produce estrogens.

Primary Follicle

24

A sudden release of luteinizing hormone by the anterior pituitary triggers ovulation.

True

25

The __________ is a solid glandular structure with a rough edge (like a scab) that develops filled layer of the endometrium.

Corpus Albicans

26

The __________ phase of the female cycle that occurs from days 1-5 and is signaled by sloughing off of the thick blood filled layer of the endometrium.

Menstrual

27

__________ is responsible for the development of breast and other secondary sex characteristics in women.

Extrogen

28

__________ is responsible for the development of secondary sex characteristics such as lowering of the voice, muscle growth and hair in men.

Testorone

29

When estrogen and progesterone levels _____ menstruation is triggered to begin with.

Drop

30

__________ is the hormone of the pregnancy and signals milk production and maintenance of the uterus to maintain a pregnancy.

Progesterone

31

When fertilization occurs the __________ secretes HCG to prepare for implantation.

Corpus Luteum

32

The fertilized egg, __________, appears as a single cell surrounded by a fertilization membrane and a jellylike membrane.

Zygote

33

The uniting of the egg and sperm nuclei is known as __________

Fertilization

34

Cleavage is a series of mitotic divisions without any intervening growth periods that results in a multicellular embryonic body.

True

35

As result of gastrulation, _____ layered embryo forms, with each layer corresponding to a primary germ layer.

3

36

The __________ gives rise to the epidermis of the skin and the nervous system.

Fetus

37

The placenta is composed solely of embryonic membranes.

True

38

The _____ encases the young embryonic body in a fluid-filled chamber that acts to protect the developing embryo against trauma.

Amnion

39

What is the function of the placenta?

Site of diffusion of nutrients of mother, takes chemicals away from fetus

40

Who is responsible for the fetal oxygen supply and getting rid of wastes (nitrogenous and carbon dioxide)?

The Mother