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Bio 142 - Summer > Exam 28/29 Flashcards > Flashcards

Exam 28/29 Flashcards

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Biology 101 flashcards
1
Q

Which is the correct sequence that beings puberty for girls?

A

GnRH > FSH> Estrogen

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2
Q

The muscle which raises and lowers the testicles is known as the __________ muscle

A

Cremaster

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3
Q

The visceral peritoneum overlying the uterus is the same as the

A

Perimetrim

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4
Q

The umbilical cord

A

Has two arteries and one vein, and nutrients and oxygen are carried from the mother to the fetus through the single umbilical vien

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5
Q

The two matching genes found of homologous chromosomes are said to be _________ of each other

A

Alleles

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6
Q

The thick, yellowish milk, high in protein but with lower fat and glucose than mature breast milk, produced for the first several days after childbirth is called

A

Colostrum

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7
Q

The non-viable cells produced by meiosis ll in the female are known as

A

Polar bodies

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8
Q

The oocyte completes meiosis ll after

A

Fertilization

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9
Q

The part of the uterine tube leading directly into the uterine body is the

A

Isthmus

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10
Q

The pattern of inheritance known as ____________ is characterized by the equal, distinct, and simultaneous expression of both parents’ different alleles. A classic example in humans is ABO blood type

A

Codominance

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11
Q

The placenta develops from the

A

Trophoblast

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12
Q

The sperm are stored in the ____________ after they leave the testicle, and will leave there through the _____________

A

Epididymis & Ductus deferens

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13
Q

The single cell produces by fertilization is referred to as a/an __________

A

Zygote

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14
Q

The male urethra is surrounded by the erectile tissue known as the

A

Corpus spongiosum

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15
Q

The hormone associated with labor contractions, milk letdown reflex, and bonding

A

Oxytocin

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16
Q

The hormone ___________ increase the elasticity of the symphysis pubic joint and pelvic ligaments to make room for growing fetus, allowing expansion of the pelvic outlet for childbirth. It also helps dilate the cervix during labor

A

Relaxin

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17
Q

The head of the sperm is covered by a cap-like structure called the _______; it is filled with lysosomal enzymes important for preparing sperm to participate in fertilization

A

Acrosome

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18
Q

The finger-like projection called fimbriae, at the distal end of the uterine tubes, are part of the

A

Infundibulum

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19
Q

The event which triggers ovulation is

A

An LH surge

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20
Q

The embryo develops from the

A

Inner cell mass

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21
Q

The digestive enzymes released from the ___________ of the sperm digest the extracellular matrix of the surrounding the oocyte

A

Acrosome

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22
Q

The condition in which an erection does no subside within a normal amount of time is known as

A

Priapism

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23
Q

The cells lining the seminiferous tubules, to which immature sperm are attached, are called:

A

Sertoli cells

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24
Q

Shelia had a miscarriage and lost the pregnancy around week 5. Her obstetrician told her that, based on the ultrasound, it could not have made it to term because it had implanted in the uterine horn, a condition known as

A

Ectopic pregnancy

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25
Q

Most traits in people are influenced by more than one set of genes, and are therefore referred to as being [x].

A

Polygenic

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26
Q

Formerly known as Leydig cells, cells secrete testosterone, increasing production at puberty to initiate male sexual characteristics

A

Interstitial

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27
Q

Gonadocorticoids: (choose 2)

A
  • Are produced in the adrenal cortex
  • Cause development of secondary sec characteristics
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28
Q

The case of complete dominance, for a recessive gene to be expressed in the phenotype, you would have to be ________________ for that gene

A

Homozygous

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29
Q

Jo inherited a gene for blue eyes from her dad and a gene for brown eyes from her mom. You would say she is ______________ for her eye color genes

A

Heterozygous

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30
Q

In _____________, the offspring express a heterozygous phenotype that is intermediate between one parent’s homozygous dominant trait and the other parent’s homozygous recessive trait. For example, red X white = pink

A

Incomplete dominance

31
Q

Mid-menstrual cycle, _____________ makes the end of the proliferative phase and the start of the secretory phase of endometrial development

A

Ovulation

32
Q

Cryptorchidism is the clinical term used when

A

At least one testicle does not descend into the scrotum

33
Q

Cells to which developing sperm are attached during production during known as

A

Sustentacular cells

34
Q

Approximately 3 days after fertilization, the free floating 16-cell conceptus reaches the uterus. It is now a solid ball of cells referred to as a

A

Morula

35
Q

Male pattern baldness is inherited from the mom’s side of the family. Bob wanted to know the chances that he would lose most of his hair after he aged, so he had to look at his maternal grandfather to get an idea. This type of inheritance is an example of a/an ____________ trait.

A

X-linked recessive

36
Q

A developing human is referred to as an embryo

A

Up through 8 weeks

37
Q

A common form of permanent birth control for men involves severing the

A

Ductus deferens

38
Q

A follicle that fails to develop but instead regresses is said to be undergoing

A

Atresia

39
Q

A male erection is produced by which tissue?

A

Corpus cavernosum

40
Q

A pap smear looks at cells taken from the ________

A

Cervix

41
Q

Contains cilia in the male

A

Ductus deferens

42
Q

Fertilization takes place usually at the junction of the isthmus and

A

Ampullae

43
Q

In early pregnancy, the corpus luteum is not lost due to the presence of ___________, produced by the zygote

A

HCG

44
Q

In the male, peristalsis propels sperm through the

A

Ductus deferns

45
Q

Male and female sexual arousal is under the control of the

A

Parasympatheic system

46
Q

Prior to ovulation, female sexual desire is increased by the rising levels of

A

Estrogen

47
Q

-Centesis

A

To puncure

48
Q

Zyg-

A

Yolked

49
Q

Tropho-

A

Nutrition

50
Q

Nata-

A

Birth

51
Q

Neo-

A

New

52
Q

Brachio-

A

Short

53
Q

Chorio-

A

Skin or membrane

54
Q

Cyst-

A

Sac

55
Q

Pedia-

A

Child

56
Q

Gest-

A

To hear

57
Q

The beginning of having periods in pubescent girls is referred to as

A

Menarche

58
Q

The beginning of the menstrual cycle is marked by

A

The period/menstruation

59
Q

The gamete that completes meiosis only after fertilization is the

A

Oocyte

60
Q

The gubernanculum testis plays a role in

A

Testicle descent

61
Q

The hormone often used to detect pregnancies

A

HCG

62
Q

The hormone that keeps the uterine smooth muscle is relaxed during pregnancy

A

Progesterone

63
Q

The male begins sperm production __________, while the female starts egg production __________.

A

At puberty/before birth

64
Q

The midpiece of a sperm consists of

A

Mitochondria

65
Q

The parietal tunica vaginalis lines the

A

Scrotum

66
Q

The “period” is also referred to as

A

Menses

67
Q

The secretory phase of the endometrial functional zone as it gets ready for possible implantation is primarily under the influence of

A

Progestore

68
Q

The tail of the sperm is a

A

Flagellum

69
Q

The thick muscular layer of the uterus is the

A

Myometrium

70
Q

Hormone(s) of during the menstrual cycle that rises preceding ovulation

A

Estrogen

71
Q

To complete capacitation, the sperm must come in contact with

A

Vaginal secretions

72
Q

Tunica albuginea surrounds the

A
  • Testicle
  • Ovary
  • Penis
73
Q

Which structure is NOT found in the spermatic cord

A

Dartos muscle

74
Q

Women have menopause, men have

A

Andropause

Bio 142 - Summer (11 decks)

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