Which best describes color blindness?

Males inherit color blindness from their fathers.
Males need only one copy of the color-blind allele to show the trait.
Females get color blindness only from their mothers.
Females need only one copy of the color-blind allele to show the trait.

Rita schmidt, 74 years of age, is a female patient who was admitted to the surgical unit after undergoing removal of a section of the colon for colorectal cancer. the patient does not have a colostomy. the patient has several small abdominal incisions and a clear dressing over each site. the incisions are well approximated and the staples are dry and intact. there is a jackson-pratt drain intact with minimal serous sanguineous drainage present. the patient has a salem sump tube connected to low continuous wall suction that is draining a small amount of brown liquid. the patient has no bowel sounds. the foley catheter has a small amount of dark amber-colored urine without sediments. the patient has sequential compression device (scd) in place. the nurse performs an assessment and that the patient's breath sounds are decreased bilaterally in the bases and the patient has inspiratory crackles. the patient's cardiac assessment is within normal limits. the patient is receiving o2 at 2 l per nasal hg; heart rate 110 bpm; respiratory rate 16 breaths/min; and the patient is afebrile. the patient is confused as to place and time. cannula with a pulse oximetry reading of 95%. the vital signs include: blood pressure, 100/50 mm. a. explain the assessment parameters used to provide clues to detect postoperative problems early and the interventions needed. b. what gerontological postoperative considerations should the nurse make?

Acouple, jack and jill, are both deaf, and each has one parent who also is deaf. jack and jill have 8 children: 6 boys and 2 girls, 4 of whom (1daughter and 3 sons) are also deaf? 1. identify the specific pattern of inheritance (if any) indicated for this family 2. indicate what criteria the pedigree presents that support the correct pattern of inheritance for this health problem?

Aclient with pernicious anemia asks why she must take vitamin b12 injections for the rest of her life. what is the nurse's best response? a. "the reason for your vitamin deficiency is an inability to absorb the vitamin because the stomach is not producing sutficient acid." b. "the reason for your vitamin deficiency is an inability to absorb the vitamin because the stomach is not producing sufficient intrinsic factor." c. "the reason for your vitamin deficiency is an excessive excretion of the vitamin because of kidney dysfunction." d. "the reason for your vitamin deficiency is an increased requirement for the vitamin because of rapid red blood cell production."